140020422134 has 8 divisors (see below), whose sum is σ = 210061257120. Its totient is φ = 70000003096.

The previous prime is 140020422133. The next prime is 140020422167. The reversal of 140020422134 is 431224020041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140020422134² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140020422133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5086829 + ... + 5114280.

It is an arithmetic number, because the mean of its divisors is an integer number (26257657140).

Almost surely, 2^140020422134 is an apocalyptic number.

140020422134 is a deficient number, since it is larger than the sum of its proper divisors (70040834986).

140020422134 is a wasteful number, since it uses less digits than its factorization.

140020422134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10207974.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 140020422134 its reverse (431224020041), we get a palindrome (571244442175).

The spelling of 140020422134 in words is "one hundred forty billion, twenty million, four hundred twenty-two thousand, one hundred thirty-four".